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Note 14 - Stockholders' Equity (Detail) - Summary of in-the-money options: (USD $) | Dec. 31, 2012
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Total options exercised during 2012 | 3.08
In the Money Options [Member] |
Total outstanding and vested in-the-money options at December 31, 2012 | 22,200
Total outstanding and vested in-the-money options at December 31, 2012 (in Dollars) | 148,441
Total options exercised during 2012 | 24,400
Total options exercised during 2012 (in Dollars) | 176,513

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